Red-billed Duck vs Willowherb aphid

Anas erythrorhyncha compared with Aphis epilobii

Key Differences

• Red-billed Duck is Least Concern while Willowherb aphid is Not Evaluated.

Taxonomic Classification

Rank	Red-billed Duck	Willowherb aphid
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Anseriformes (Anseriformes)	Hemiptera (Hemiptera)
Family	Anatidae	Aphididae
Genus	Anas	Aphis
Species	Anas erythrorhyncha	Aphis epilobii

Evolutionary Relationship

Red-billed Duck and Willowherb aphid share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Red-billed Duck

LC — Least Concern

Willowherb aphid

NE — Not Evaluated

Physical Characteristics

Attribute	Red-billed Duck	Willowherb aphid
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Red-billed Duck

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (6 countries) and South America (Ecuador).

Willowherb aphid

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (United States).

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇳🇴 Norway